Original vintage ad for SARGENT-RAYMENT COMPANY.  Symbol is Standard of Reference.  Our finest achievements in over 33 years of electronic manufacturing are identified by this trademark.  It signifies our pledge to you that SR represents an investment in better engineering, superior reproduction, and matchless reliability.
Main office was located at 462 Hester Street, San Leandro, CA.
This unique old one page 1961 high fidelity stereo component trade magazine advertisement would display beautifully matted and framed.  It would make a nice accompaniment to your vintage stereo.